ZHCUDF6 November 2025
表 3-5 展示了电压变化的结果。
| 电压 | cos ϕ = 1i(0 度) | ANSI C12.1 2022 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 误差 1 | 误差 2 | 误差 3 | 误差 4 | 误差 5 | 增量误差 | 平均误差 % | 与基准的差值 | 限值 (%) [0.1 级] |
限值 (%) [0.2 级] |
|
| 测试电流 (TA) | ||||||||||
| 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | ||||||
| 120 (REF) | 0.023 | 0.068 | 0.018 | 0.129 | 0.113 | 0.111 | 0.070 | (基准) | REF | REF |
| 108 | 0.114 | 0.177 | 0.09 | 0.046 | -0.113 | 0.290 | 0.0628 | 0.007 | ±0.1 | ±0.2 |
| 235 | -0.076 | -0.022 | -0.019 | -0.053 | 0.109 | 0.185 | -0.0122 | 0.082 | ±0.1 | ±0.2 |
| 270 | 0.046 | 0.006 | -0.073 | -0.039 | 0.012 | 0.119 | -0.0096 | 0.080 | ±0.1 | ±0.2 |
| 297 | 0.006 | 0.029 | -0.005 | -0.068 | -0.062 | 0.097 | -0.0200 | 0.090 | ±0.1 | ±0.2 |
| 测试电流 (TA) | ||||||||||
| 15 | 15 | 15 | 15 | 15 | ||||||
| 120 (REF) | -0.077 | -0.073 | -0.065 | -0.117 | -0.077 | 0.052 | -0.0818 | (基准) | REF | REF |
| 108 | -0.071 | -0.1 | -0.077 | -0.119 | -0.086 | 0.048 | -0.0906 | 0.009 | ±0.1 | ±0.2 |
| 235 | -0.019 | 0.094 | 0.032 | 0.09 | 0.009 | 0.113 | 0.0412 | 0.123 | ±0.1 | ±0.2 |
| 270 | 0.02 | -0.003 | -0.05 | 0.036 | 0.012 | 0.086 | 0.0030 | 0.085 | ±0.1 | ±0.2 |
| 297 | -0.05 | -0.081 | -0.081 | -0.097 | -0.057 | 0.047 | -0.0732 | 0.009 | ±0.1 | ±0.2 |